Hi Am 04.01.24 um 17:00 schrieb Jocelyn Falempe:
Add support for the drm_panic module, which displays a message to the screen when a kernel panic occurs. v7 * Use drm_for_each_primary_visible_plane() Signed-off-by: Jocelyn Falempe <jfalempe@xxxxxxxxxx>
Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
--- drivers/gpu/drm/ast/ast_drv.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index 90bcb1eb9cd9..8ddce3d7fda9 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -35,6 +35,7 @@ #include <drm/drm_fbdev_generic.h> #include <drm/drm_gem_shmem_helper.h> #include <drm/drm_module.h> +#include <drm/drm_panic.h> #include <drm/drm_probe_helper.h>#include "ast_drv.h"@@ -48,6 +49,27 @@ module_param_named(modeset, ast_modeset, int, 0400); * DRM driver */+static int ast_get_scanout_buffer(struct drm_device *dev,+ struct drm_scanout_buffer *sb) +{ + struct drm_plane *plane; + struct ast_plane *ast_plane; + + drm_for_each_primary_visible_plane(plane, dev) { + ast_plane = to_ast_plane(plane); + if (!ast_plane->vaddr) + continue; + + sb->format = plane->state->fb->format; + sb->width = plane->state->fb->width; + sb->height = plane->state->fb->height; + sb->pitch = plane->state->fb->pitches[0]; + iosys_map_set_vaddr_iomem(&sb->map, ast_plane->vaddr); + return 0; + } + return -ENODEV; +} + DEFINE_DRM_GEM_FOPS(ast_fops);static const struct drm_driver ast_driver = {@@ -62,8 +84,8 @@ static const struct drm_driver ast_driver = { .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, - - DRM_GEM_SHMEM_DRIVER_OPS + .get_scanout_buffer = ast_get_scanout_buffer, + DRM_GEM_SHMEM_DRIVER_OPS, };/*
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)
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